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i was wondering which ones are soluble in water and what ones are not: K2CrO4, CaS, Na2S, and BaSO4

I was also wondering if AgBr and CaCO3 are soluble as well.

BaSO4, AgBr and CaCO3 are insoluble. The others are soluble. I can give you a web site that gives some simple rules for solubility.

can i have the website please and also 1 more question...What ionic compound would be least soluble in water...

Thanks so much for ur help :)

Ag3PO4 is insoluble. The others are soluble in water. Here is the web site.

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